There are variety of formats available for digitization, the important being Tiff, JPEG, PDF, PDF/A. These are used for varying purposes and have their own credibility and value in that stream. The format for long term archiving which could give the same look and feel of the original document is only PDF/A which is an ISO19005:1-2005 standard developed on the insistence of US courts by AIIM (Association of Information and Image Management).
“A good approach is to enlist an expert who will help you understand the requirements of PDF/A, determine how to implement PDF/A into your archiving strategy and explain what steps you need to take to ensure your overall archiving goals are met.” – PDF/A Comp Cent.





